The Plan
With the help of Knight's dad, NCIS works to unravel the mystery of a recently used service weapon belonging to a missing agent.
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More from this season
S21 E1
Algún Día
The NCIS team must help Torres when he puts his future at stake by confronting the man who tormented his family when he was a child.
S21 E2
The Stories We Leave Behind
As NCIS mourns the loss of Ducky, the agents find comfort in working on one of his unfinished cases involving a woman whose father was dishonorably discharged from the Marines.
S21 E3
Lifeline
When the NCIS team engages in Walk-a-Mile day to gain a new perspectives on different departments, things take a turn when Kasie receives a distress call from a mysterious man.
S21 E4
Left Unsaid
The NCIS team is in a race against time to find a missing officer who disappeared during his wedding proposal.